.plain-nav {
	position: fixed;
	bottom: 0;
	width: 100%;
	height: 1rem;
	background: #fff;
}

.plain-nav>ul>li {
	float: left;
	width: 25%;
	height: 1rem;
	line-height: 1rem;
	text-align: center;
	font-size: 0.32rem;
	color: #999;
	letter-spacing: 0;
	position: relative;
}

.plain-nav>ul>li:after {
	position: absolute;
	top: 0.17rem;
	height: calc(99.8%);
	right: -1px;
	content: '';
	width: 0.01rem;
	border-right: solid #CDD1DD 1px;
	height: 0.65rem;
	opacity: 1;
}

.plain-nav .plain_nav_active {
	color: #fff;
	background: #0089FF;
	box-shadow: 0 -8px 34px 0 rgba(189, 189, 189, 0.21);
	opacity: 0.9;
}

.plain_nav_active:after {
	opacity: 0 !important;
}

.slide-box {
	padding-bottom: 1.2rem;
	overflow: hidden;
}

.slide-box .overivew-box {
	font-size: 0.32rem;
	padding: 0.42rem 0.31rem 0 0.31rem;
	color: #333;
	letter-spacing: 0.01px;
}

.slide-box .overivew-box .overivew-title {
	font-family: PingFangSC-Medium;
}

.slide-box .overivew-box .overivew-size {
	line-height: 0.45rem;
	margin: 0.26rem 0 0.14rem 0;
}

.slide-box .overivew-box .overivew-intr {
	color: #999999;
}

.plain-nav>ul>li:last-child:after {
	opacity: 0 !important;
}

.slide-box .details-box {
	font-family: 'PingFangSC-Medium' !important;
	word-wrap: break-word;
	padding: 0.42rem 0.31rem 0 0.31rem
}

.slide-box .details-box img {
	max-width: 100% !important;
}

.file-box {}

.file-box .file-list {
	margin-top: 1rem;
	overflow: hidden;
}

.file-box .file-list>li {
	float: left;
	width: 25%;
	padding: 0;
	text-align: center;
}

.file-box .file-list>li:last-child {
	float: inherit;
}

.file-box .file-list>li>img {
	width: 70%;
}

.file-box .file-list>li>p {
	line-height: 0.8rem;
	font-size: 0.32rem;
}

.video-box .video-maskbox {
	margin: 0.31rem 0.31rem 0 0.31rem;
	position: relative;
	background: #333;
	border-radius: 0.1rem;
}

.video-box .video-maskbox .video-mask {
	position: absolute;
	top: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, .4) url(../img/playod.png) center center no-repeat;
	border-radius: 0.1rem;
	background-size: 20%;
}

.video-box video {
	display: block;
	border-radius: 0.1rem;
}
.video-playod{
	position: fixed;top: 0;left: 0;right: 0;bottom: 0;background: #333;z-index: 1;
}
.video-playod video{
	width: 100%;
	height: 100%;
}
@media screen and (max-width:750px) {
	.video-box video {
		width: 100%;
	}
}
@media screen and (min-width:750px) {
	.video-box video {
		width: 80%;
		margin: 0 auto;
	}
}